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<h2 class="title">
<a id="release-notes-7.6.2"></a>Elasticsearch version 7.6.2<a class="edit_me edit_me_private" rel="nofollow" title="Editing on GitHub is available to Elastic" href="https://github.com/elastic/elasticsearch/edit/7.7/docs/reference/release-notes/7.6.asciidoc">edit</a>
</h2>
</div></div></div>
<p>Also see <a class="xref" href="breaking-changes-7.6.html" title="Breaking changes in 7.6">Breaking changes in 7.6</a>.</p>
<h3>
<a id="breaking-7.6.2"></a>Breaking changes<a class="edit_me edit_me_private" rel="nofollow" title="Editing on GitHub is available to Elastic" href="https://github.com/elastic/elasticsearch/edit/7.7/docs/reference/release-notes/7.6.asciidoc">edit</a>
</h3>
<div class="variablelist">
<dl class="variablelist">
<dt>
<span class="term">
Authorization
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Creation of derived API keys (keys created by existing keys) now requires explicit "no privileges" configuration <a href="https://github.com/elastic/elasticsearch/pull/53647" class="ulink" target="_top">#53647</a>, <a href="https://www.elastic.co/community/security" class="ulink" target="_top">CVE-2020-7009</a>
</li>
</ul>
</div>
</dd>
</dl>
</div>
<h3>
<a id="bug-7.6.2"></a>Bug fixes<a class="edit_me edit_me_private" rel="nofollow" title="Editing on GitHub is available to Elastic" href="https://github.com/elastic/elasticsearch/edit/7.7/docs/reference/release-notes/7.6.asciidoc">edit</a>
</h3>
<div class="variablelist">
<dl class="variablelist">
<dt>
<span class="term">
Allocation
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Improve performance of shards limits decider <a href="https://github.com/elastic/elasticsearch/pull/53577" class="ulink" target="_top">#53577</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/53559" class="ulink" target="_top">#53559</a>)
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Authentication
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Fix potential bug in concurrent token refresh support <a href="https://github.com/elastic/elasticsearch/pull/53668" class="ulink" target="_top">#53668</a>
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
CCR
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Handle no such remote cluster exception in ccr <a href="https://github.com/elastic/elasticsearch/pull/53415" class="ulink" target="_top">#53415</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/53225" class="ulink" target="_top">#53225</a>)
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Distributed
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Execute retention lease syncs under system context <a href="https://github.com/elastic/elasticsearch/pull/53838" class="ulink" target="_top">#53838</a> (issues: <a href="https://github.com/elastic/elasticsearch/issues/48430" class="ulink" target="_top">#48430</a>, <a href="https://github.com/elastic/elasticsearch/issues/53751" class="ulink" target="_top">#53751</a>)
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Engine
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Fix doc_stats and segment_stats of ReadOnlyEngine <a href="https://github.com/elastic/elasticsearch/pull/53345" class="ulink" target="_top">#53345</a> (issues: <a href="https://github.com/elastic/elasticsearch/issues/51303" class="ulink" target="_top">#51303</a>, <a href="https://github.com/elastic/elasticsearch/issues/51331" class="ulink" target="_top">#51331</a>)
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Features/ILM+SLM
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Fix null config in SnapshotLifecyclePolicy.toRequest <a href="https://github.com/elastic/elasticsearch/pull/53328" class="ulink" target="_top">#53328</a> (issues: <a href="https://github.com/elastic/elasticsearch/issues/44465" class="ulink" target="_top">#44465</a>, <a href="https://github.com/elastic/elasticsearch/issues/53171" class="ulink" target="_top">#53171</a>)
</li>
<li class="listitem">
ILM Freeze step retry when not acknowledged <a href="https://github.com/elastic/elasticsearch/pull/53287" class="ulink" target="_top">#53287</a>
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Features/Ingest
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Fix ingest pipeline _simulate api with empty docs never returns a res… <a href="https://github.com/elastic/elasticsearch/pull/52937" class="ulink" target="_top">#52937</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/52833" class="ulink" target="_top">#52833</a>)
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Features/Java High Level REST Client
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Add unsupported parameters to HLRC search request <a href="https://github.com/elastic/elasticsearch/pull/53745" class="ulink" target="_top">#53745</a>
</li>
<li class="listitem">
Fix AbstractBulkByScrollRequest slices parameter via Rest <a href="https://github.com/elastic/elasticsearch/pull/53068" class="ulink" target="_top">#53068</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/53044" class="ulink" target="_top">#53044</a>)
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Features/Watcher
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Disable Watcher script optimization for stored scripts <a href="https://github.com/elastic/elasticsearch/pull/53497" class="ulink" target="_top">#53497</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/40212" class="ulink" target="_top">#40212</a>)
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Infra/Core
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Avoid self-suppression on grouped action listener <a href="https://github.com/elastic/elasticsearch/pull/53262" class="ulink" target="_top">#53262</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/53174" class="ulink" target="_top">#53174</a>)
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Infra/Packaging
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Handle special characters and spaces in JAVA_HOME path in elasticsearch-service.bat <a href="https://github.com/elastic/elasticsearch/pull/52676" class="ulink" target="_top">#52676</a>
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Infra/Plugins
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Ensure only plugin REST tests are run for plugins <a href="https://github.com/elastic/elasticsearch/pull/53184" class="ulink" target="_top">#53184</a> (issues: <a href="https://github.com/elastic/elasticsearch/issues/52114" class="ulink" target="_top">#52114</a>, <a href="https://github.com/elastic/elasticsearch/issues/53183" class="ulink" target="_top">#53183</a>)
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Machine Learning
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Fix a bug in the calculation of the minimum loss leaf values for classification <a href="https://github.com/elastic/ml-cpp/pull/1032" class="ulink" target="_top">#1032</a>
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Network
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Invoke response handler on failure to send <a href="https://github.com/elastic/elasticsearch/pull/53631" class="ulink" target="_top">#53631</a>
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
SQL
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Fix NPE for parameterized LIKE/RLIKE <a href="https://github.com/elastic/elasticsearch/pull/53573" class="ulink" target="_top">#53573</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/53557" class="ulink" target="_top">#53557</a>)
</li>
<li class="listitem">
Add support for index aliases for SYS COLUMNS command <a href="https://github.com/elastic/elasticsearch/pull/53525" class="ulink" target="_top">#53525</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/31609" class="ulink" target="_top">#31609</a>)
</li>
<li class="listitem">
Fix issue with LIKE/RLIKE as painless script <a href="https://github.com/elastic/elasticsearch/pull/53495" class="ulink" target="_top">#53495</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/53486" class="ulink" target="_top">#53486</a>)
</li>
<li class="listitem">
Fix column size for IP data type <a href="https://github.com/elastic/elasticsearch/pull/53056" class="ulink" target="_top">#53056</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/52762" class="ulink" target="_top">#52762</a>)
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Search
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Fix Term Vectors with artificial docs and keyword fields <a href="https://github.com/elastic/elasticsearch/pull/53504" class="ulink" target="_top">#53504</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/53494" class="ulink" target="_top">#53494</a>)
</li>
<li class="listitem">
Fix concurrent requests race over scroll context limit <a href="https://github.com/elastic/elasticsearch/pull/53449" class="ulink" target="_top">#53449</a>
</li>
<li class="listitem">
Fix pre-sorting of shards in the can_match phase <a href="https://github.com/elastic/elasticsearch/pull/53397" class="ulink" target="_top">#53397</a>
</li>
<li class="listitem">
Fix potential NPE in FuzzyTermsEnum <a href="https://github.com/elastic/elasticsearch/pull/53231" class="ulink" target="_top">#53231</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/52894" class="ulink" target="_top">#52894</a>)
</li>
</ul>
</div>
</dd>
</dl>
</div>
<h3>
<a id="upgrade-7.6.2"></a>Upgrades<a class="edit_me edit_me_private" rel="nofollow" title="Editing on GitHub is available to Elastic" href="https://github.com/elastic/elasticsearch/edit/7.7/docs/reference/release-notes/7.6.asciidoc">edit</a>
</h3>
<div class="variablelist">
<dl class="variablelist">
<dt>
<span class="term">
Infra/Core
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Update jackson-databind to 2.8.11.6 <a href="https://github.com/elastic/elasticsearch/pull/53522" class="ulink" target="_top">#53522</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/45225" class="ulink" target="_top">#45225</a>)
</li>
</ul>
</div>
</dd>
</dl>
</div>
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